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Palankak
Zer dira palankak? Palankak funtsezko tresnak dira fisikan, eta indarra eta mugimendua transmititzeko erabiltzen diren makina sinpleak dira. Hiru palanka mota nagusi daude: lehen klasea, bigarren klasea eta hirugarren klasea.…
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Simple machines
A simple machine is a mechanical device that changes the direction or magnitude of a force. In general, they can be defined as the simplest mechanisms that use mechanical advantage (also called leverage) to multiply force. Usually the…